Clinical Research Directory

Inclusion Criteria: Patients: * Age\> 18 years * On chronic dialysis, or due to start chronic dialysis within 3 to 6 months * Patient eligible for the creation of a native surgical AVF at the elbow crease and an endovenous AVF according to the instructions for use of the manufacturers of the two devices used, namely: * Target venous diameter for fistula creation \> or = 3 mm * Target arterial diameter for fistula creation \> or = 2 mm * Artery to vein distance \< or = 1.5mm * At least one superficial outflow vein with a diameter ≥ 2.5 mm connected via a proximal forearm perforating vein with the target site * Patency of the radial and ulnar arteries confirmed by Doppler ultrasound * Presence of a connecting perforator between the deep and superficial venous network, relatively straight anatomy * Distance between proximal radial artery and perforator junction/radial vein \< 1.5mm * Patient having been clearly informed about the study and having agreed to participate and attend follow-up visits * Patient affiliated or beneficiary of a social security scheme. Exclusion Criteria: * Known central venous stenosis \> 50% on imaging or presence of an indwelling central venous catheter or pacemaker on the same side as the side of creation of the AVF * Upper extremity arterial occlusive disease not amenable to endovascular or open repair * Eligibility for a native distal AVF (radio or ulno-cephalic) * New York Heart Association (NYHA) class III or IV heart failure * Hypercoagulable state * Estimated life expectancy \<1 year * Pregnantly or breastfeeding woman * Known allergies to medical devices and medications used in the protocol * Inability to collect consent * Patient not affiliated to a social security scheme